999975681

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{80107}}^1$

素因数の和:80205

約数の個数: 24

約数和(自身を含む): 1541277920

約数和(自身を除く): 541302239

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 4161, 12483, 80107, 240321, 720963, 1522033, 4566099, 5847811, 13698297, 17543433, 52630299, 111108409, 333325227, 999975681]

約数ペア:

[(1, 999975681), (3, 333325227), (9, 111108409), (19, 52630299), (57, 17543433), (73, 13698297), (171, 5847811), (219, 4566099), (657, 1522033), (1387, 720963), (4161, 240321), (12483, 80107)]